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Will USB Hub and Extensions cause delay?

post #1 of 8
Thread Starter 
Hi, I cant find the USB polling rate thread.

Will plugging into a USB Hub have worse performance than plugging directly into the mobo? I will connect my mouse, 2 K70 USBs, and and my headphones into this thing through a USB extension into my mobo's USB 2.0 port.

http://www.amazon.com/gp/product/B00BWF5U0M?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s00
http://www.amazon.com/AmazonBasics-USB-2-0-Extension-Cable/dp/B00NH11PEY/ref=pd_sim_147_15?ie=UTF8&dpID=41AOpRT%2B4wL&dpSrc=sims&preST=_AC_UL160_SR160%2C160_&refRID=1SGV5ARQ0DNX6KE359EH
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post #2 of 8
I think hubs cause delay but extension cables doesn't.
post #3 of 8
i think i remember wareya or someone finding that with a hub, mousetester interval plots show more jitter or something
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post #4 of 8
The propagation delay along the wire is unnoticeable.

Hubs have some logic in them but their jitter/latency should be unnoticeable as well.
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post #5 of 8
Quote:
Originally Posted by DuckieHo View Post

The propagation delay along the wire is unnoticeable.

Hubs have some logic in them but their jitter/latency should be unnoticeable as well.

avoid to be safe

I have several ports that's dedicated to mouse/kb only
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post #6 of 8
Quote:
Originally Posted by TK421 View Post

avoid to be safe

I have several ports that's dedicated to mouse/kb only

Safe from what? Physics?

A 1 meter increase in cable length will result in an increase latency of 0.000000017s at worst. Prorogation speed of an electromagnetic waves is at 50-90% the speed of light.


Due note that the maximum length of a USB 2.0 cable is 5m (16'5"). Anything further will have latency issues resulting in dropped signals. To run anything further, it will require hubs to act as repeaters.
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post #7 of 8
well hubs can screw stuff up

extenders can potentially have dodgy quality...
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kbp v80 matias quiet silverstone sx500-lg ncase m1 v3 logitech g100s with mcu replaced by teensy2.0 
Mouse PadAudioAudio
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post #8 of 8
Thread Starter 
welp i bought those two items i listed, ill try it out. just gettin really lazy getting down to change mice wheee.gif

is there anything else better quality, might just buy another cable for my mice
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